Non-Invasive Blood Pressure Monitoring Based on Pulse Wave Recording with a New Three-channel Pneumatic Sensor Topics: Biomedical Sensors; Diagnostic devices; Electrocardiography and Heart Monitoring; Health Monitoring Devices; Wearable and Mobile Devices In Proceedings of the 13th International Joint Conference on Biomedical Engineering Systems and Technologies - Volume 1: BIOSTEC, 268-273, 2020 , Valletta, Malta